How Are Ocean Ridges Formed?

Answer

Ridges within the ocean floor are caused by a number of underwater activities. These include movement and shifting of tectonic plates, gushes of magma due to the pressure underneath (the magma cools beneath the ocean forming ridges), symmetrical rock formation and from the deep sea trenches that form as a result of the shift of the continental plates.
Q&A Related to "How Are Ocean Ridges Formed?"
Ocean current paths of travel, underwater volcanoes, tectonic plate movement, depends which specific ridges you are talking about.
http://wiki.answers.com/Q/How_are_ridges_formed_on...
The Earth's crust is composed of a series of large plates, known as the lithosphere, which float on an underlying layer of liquid magma known as the asthenosphere. The asthenosphere
http://www.ehow.com/info_8461609_ocean-ridges-form...
The Mid-Atlantic Ridge, located between South America and Africa, was created by divergent plates. As the land masses moved apart from each other, water rushed in to fill the basin,
http://www.ask.com/web-answers/Science/Nature/how_...
Simply speaking mid ocean ridges were formed when magma wells erupted at places
http://www.chacha.com/question/how-is-a-mid-oceani...
1 Additional Answer
The Ocean ridge was formed through the process of tectonic plate movement which forces lava through the created cracks and when the lava cooled it forms the ridge. Ocean ridges are formed from the uplift of newly formed oceanic crust by rising magma.
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The part of a molten rock at the mid-ocean ridges is the igneous part. This is a part of rock that is developed by the refrigeration of magma at the base of volcanic ...
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